history started where millions of american soldiers were sent across the atlant uk to help france defeat germany in world war i. 2,000 also marked into europe and music history, accompanied by their own jazz bands. for the war-weary french, the sound of jazz was a revelation, and an instant hit. many black american musicians tired of presently faced at home jumped at the chance to stay and dazzle a city where the colour lines are more fluent. guys found out there was a lot of gigs and plains. stuck. >> in the shadow. the basilica that dominates the skyline. jazz expatriots turned a hillside agency into a bastian of the roaring 20s. >> when you look at the pictures and the roof tops and club, that they were up, they must have been amazing to see true musicians coming awe the boat. and -- coming off the boat and ask and playing jazz. that must have been cool. >> the french are the biggest supporters of jazz. and that, for the most american of music forms. which is kind of crazy when you think about it. >> and no one was crazier on statement than a young american dancer josephine baker. >> she had